Subtilisins

Agent Name
Subtilisins
CAS Number
1395-21-7; 9014-01-1
Major Category
Biological Agents
Synonyms
Bacillus subtilis; Bacillus subtilis BPN; Bacillus subtilis Carlsburg; Proteolytic enzymes; Subtilisin BPN; Subtilisin Carlsburg; [NIOSH]
Category
Enzymes
Description
Light-colored, free-flowing powders. [Note: A protein containing numerous amino acids.]; [NIOSH]
Sources/Uses
Commercial proteolytic enzymes are used in laundry detergents; [NIOSH] Proteolytic enzymes from Bacillus subtilis were first used in detergent products in the 1960s. [Malo]
Comments
Occupational asthma reported in detergent industry; Study of 1642 workers found prevalence of 3.2% (over 7 years); [Malo] Causes "washing powder lung," a form of hypersensitivity pneumonitis from exposure to detergents that contain enzymes produced by the nonthermophilic bacteria (Bacillus subtilis & B. cereus); [Rosenstock, p. 346] See "ENZYMES."
Biomedical References

Exposure Assessment

Skin Designation (ACGIH)
Insufficient data
Ceiling (ACGIH)
6.006E-05 mg/m3, as 100% crystalline active pure enzyme

Adverse Effects

Asthma
Yes

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: